Rewriting your DNA is getting closer to reality. A revolutionary technology is opening new frontiers for genetic engineering a promise of cures for intractable diseases along with anxiety about designer babies.
It’s a question that gained urgency after Chinese researchers made the first attempt at editing genes in human embryos, a laboratory experiment that didn’t work well but did raise the prospect of one day altering human heredity passing modified DNA to future generations.
‘Germline’ editing can have an impact on future generations. But is it a line science shouldn’t cross?